The role of Outlook Anywhere

It’s important to understand that Outlook Anywhere is now the protocol by which Outlook connects to Exchange 2013. Whereas earlier versions would allow RPC connections directly to the Mailbox server, using plain TCP, Exchange 2013 uses RPC over HTTPS everywhere all the time. That means that one of the first things you should do now, before you even consider adding Exchange 2013 to your existing Exchange 2007 or Exchange 2010 deployment, is enable Outlook Anywhere on all your servers and verify that it works. This requirement holds true for every CAS server, even those that are not Internet-facing.

Although this requirement might seem odd, there’s a good reason for it. The Exchange 2013 CAS role server includes a new ...

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